Process for treating cobalt-silver ores.



W. PHILLIPS. PROCESS PoR TRBATING COBALT SILVER oREs. APPLICATION FILED00T. 7, 1913.

1,1279596., Patented Feb.9,1915.

keeps intact nearly the whole of the nickel andcobalt withoutinterfering with, or being injurious in the separarion and recovery ofthe silver and copper.

silver ores, smelting the seid ores in the raw state, tcgether with rawiron meiste and cop,- per residue thereby producing speiss, ergentierouscopper matte and slugs.

2. in a process for the treuzment of cobalt silver ores., srnelaing thesaid ores in the raw state, togeiher with raw iron mette and cop.n perresidue thereby producing speiss, argentiferousycopper matte and sings,and smelting the 'speiss produced from such ores with raw iron matte andrepeating rire smelting Wish fresh portions of raw iron matte uneilpractically the whole of elle silver and eopper lies been removed fromthe speiss.

3. In a process for leetresmeni of cobal silver ores. smelting the saidores in the raw state together with raw iron mame and copv memos perresidue thereby producing speiss, ar gentiferous copper matteandslags,and srnelting the speiss produced from such ores with raw iron matte andrepeating the smelting with fresh portions of raw iron matte untilpractically the whole of the silver and copper has been removed from thespeiss, leaving iron matte containing silver and copper, seid ironmuttebeing then smelteol With silver ores and copper residue.

'4. In a process for treating cobalt silver ores, smelting the ores intli'e raw state with raw iron matte and copper residue to producespeiss, srgentiferous copperl matte and siege, smelting ythe speiss inthe raw state with raw iron matte a sufficient number of `times toremove the silver and copper thereroin and removing the nickel andcobalt which combines with some of the excess arsenic in the ore, fromthe residue of the speiss.

in Witness whereof 'lisve hereunto set my hand in the presence of twowitnesses.l WlLLlAM PHILLIPS. Witnesses:

FRANK WILLIAM PArTrsoN H. D. JAMESON.

